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W. WATTIE. SHUTTLE BOX MOTION FOR LOOMS.

No. 535,9 9. Patented Mar. 19, 1895.

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v UNITED STATES PATENT; OFFICE.

WILLIAM WATTIE, OF WORCESTER, MASSACHUSETTS, ASSIGNOR TO THE KNOWLES LOOM WORKS, OF SAME PLACE.

SHUTTLE-BOX MOTION FOR LOOMS.

SPECIFICATION forming part of Letters Patent No. 535,969, dated MarchdQ, 1 895.

Application filed November 15, 1894. Serial No. 528,896. (No model.) I

To whom it may concern:

Be it knownthat I, WILLIAM WAT'IIE, a citizen of the United States, residing at Worcester, in the county of Worcester and'State of Massachusetts, have invented certain new and useful Improvements in Shuttle-Box Motions for Looms; and I do hereby declare that the following is a full, clear, and exact description thereof, which, in connection with the drawings making a part of this specification, will enable others skilled in the art to which my invention belongs to make and use the same.

My invention relates to looms for weaving textile fabrics, &c., in which the shuttle boxes are generally arranged two to one, or four to one, &c., that is two movable shuttle boxes at one end of the lay, and one stationary shuttle box at the other end of the lay, or four movable shuttle boxes at one end of the lay, and one stationary shuttle box at the other end of the lay. The object of my invention is to provide an improved box motion, or box operating mechanism, controlled by the indications of the box pattern chain, communicated through .connecting links, 850., to the box shiftingsrpechanism. I I:

My invention consists in certain novel features of construction and operation of my improvements in box operating mechanism, as will be hereinafter fully described.

In carrying out my invention, the box operating mechanism is preferably arranged at the lower part of the loom, at the rear right or left hand end thereof.

I have shown in the drawings my improvements in box operating mechanism detached from the rest of the loom.

Referring to the drawings:Figure l is a side view of my improved box motion, looking in the direction of arrow a, Fig. 3. Fig. 2 corresponds to Fig. 1, but shows the parts of the mechanism in the opposite position, and Fig. 3 is an edge view of the parts shown in Fig. 1, looking in the direction of arrow 1), same figure.

In the accompanying drawings, 1 is a frame or stand, adapted to be bolted to the lower side of the loom, at the rear right hand end thereof, and near the bottom shaft.

2 is the bottom shaft, journaled in hearings in the ordinary way, not shown, and 3 is a two leaf cam fast on the bottom shaft.

4 is an indicator lever hung on a stud 5 fast in the frame 1, and 6 is a connector attachedat one end to said indicator lever 4, and connected at its other end with the box pattern chain indicator, not shown. Y I

A cam arm 7 is pivoted at its lower end on a stud 8 fast in the frame 1, and is provided at its upper end with gear teeth 7'. The cam arm 7 has an opening 7" therein, through which the bottom, or driver shaft 2 extends, and is also provided with two oppositely extending arms 7". On a pin 9 fast in the outer end of one arm 7" is pivoted a cam finger 10, provided with an outwardly extending pin 10, adapted to be engaged by the indicator lever 4. A second cam finger 11 is pivoted on a pin 12 fast in the outer end of the other arm 7" of the cam arm 7, and is provided with an outwardly extending pin 11, which is adapted to be engaged by the outer end of the indicator lever 4.

The cam finger 10 is provided at its free end with a boss or roll 13, adapted to be engaged by the leaf 3 of the two leaf cam 3, and the free end of the cam finger 11 is provided with a boss or roll 14, adapted to be engaged by the leaf 3" of said cam 3.

A pin 15 on the arm 7" of the cam arm 7, limits the downward motion of the cam finger 10, and a pin 15' limits the upward motion of said finger. A pin 16 on the other arm 7" of the cam lever 7, limits the upward motion of the cam finger 11, and a pin 16 limits the downward motion of said finger.

The gear teeth 7 on the upper end of the cam arm 7 mesh with and drive a pinion 17, loose on a stud 18 fast in the upper part of the frame 1. Fast to or made integral with the pinion 17 is a crank disk 19, and upon the opposite side of said pinion is,in this instance, a disk 20, provided with afriction device consisting of twoarms 21, pivoted at one end on a pin 22 on the frame, and provided with curved portions at their other ends,

which encircle the disk 20 and are pressed thereon to produce friction by a bolt 23, extending through holes in said arms 21, and provided with a spring 24, intermediate the upper side of the upper arm 21, and the nut 25 on said bolt. By screwing up or down the nut 25, the friction of the arm 21 on the disk 20 may be adjusted as desired. Said friction prevents the disk 20 returning to its starting point, if the loom should start before said disk completes its motion.

A connector 26 is pivoted at one end on a crank pin 27 on the crank disk 19, and at its other end is pivoted to the upper end of the angle lever 28, which lever is hung on a pin 29 in the frame 1. To the other end of the angle lever 28 is pivoted a connector 30, the lower end of which is adjustahly secured by a bolt 31, in the head 32 of the box lifter rod 33.

The angle lifter lever 28 may be provided with a give way, or safety device 34, which will yield and allow the lever to give at this point, so as to prevent the breaking of the parts of the box lifter mechanism.

The give Way device 34 shown in the drawings is similar to the one shown and described in Letters Patent of Great Britain, No. 311, of January 2, 1884, to which reference is made.

From the above description in connection with the drawings, the operation of. my box motion, or box operating mechanism, will be readily understood by those skilled in the art.

In Fig. 1 the box lifter rod 33 is shown in its upper position, and therefore the bottom cell of the shuttle box, not shown, is ready to receive or discharge the shuttle. To lower the lifting rod, so that the top cell of the box will assume the position occupied by the bottom cell, the operation is as follows: The leaf 3' of the cam 3, fast on the bottom shaft 2, revolves in the direction of the arrow, Fig. 1, toward the cam finger 10, and

said finger, having been lowered by the indi-.

cator lever 4:, through the connector 6, into the position shown in Fig. 1, will be in the path of said leaf 3' of the cam 3, which will come in contact with the boss or roll 10 on the end of said cam finger, and cause the cam arm 7, through said cam finger, to move in the same direction that the earn 3 moves, as indicated by the arrow Fig. 1, and the teeth 7' on said arm 7 engaging the teeth of the pinion 17, will cause said pinion to revolve and also the crank disk 19 carrying the pin 27, and through the connector 26, attached to said crank pin, the angle lifter lever 28 will be moved, to lower the lifter rod 33, through connector 30,into the position shown in Fig. 2, and thus the top cell of the shuttle box will be lowered. The shuttle box will stay in this position until the indicator lever 4 is lifted, through the connector 6, by a pattern chain indicator, and when said lever is so lifted, the cam finger 10, through the engagement of the pin 10' thereon with said indicator lever 4, will be lifted outof engagement with the cam 3, as shown in Fig. 2, and at the same time the other cam finger 11 will be lifted, through the engagement of the pin 11' thereon with the indicator lever 4, and the boss or 1'01114 on the end of said cam finger 11 will be in position to be engaged by the leaf 3" of the cam 3, as shown in Fig. 2, and the revolution of said cam will cause the cam arm 7 to swing over into the opposite position from that shown in Fig. 2, to that shown in Fig. 1, thus raising the lifter rod, and also the lower cell of the shuttle box, and returning it to its first position shown in Fig. 1.

The advantages of myimprovement in box motion, or box operating mechanism for looms, will be readily appreciated by those skilled in the art. It is of very simple construction and operation, and will not get out of order, and at the extremity of each movement of the cam arm 7, said arm, passing by its pivot center, will be locked or held in its position.

Having thus described myinvention, what I claim as new, and desire to secure by Letters Patent, is-

1. In the shuttle box motion of a loom, the combination with the box lifter rod, a connector to the angle lifter lever, and said lifter lever, and a connector therefrom to a crank disk, and said crank disk, and a pinion fast to the disk, of mechanism for operating said pinion to communicate motion to the box lifter rod, consisting of a cam lever arm, provided with teeth meshing with said pinion, and having two side extensions each extension carrying a cam finger pivoted thereon, and an indicator lever adapted to act on said fingers, to move one into engagement with,and the other out of engagement with its operating cam, for the purpose stated, and said cam, substantially as shown and described.

2. In the shuttle box motion of a loom, mechanism for communicating motion to the angle litter of the box operating mechanism, consisting of a cam lever provided with teeth at one end adapted to engage and drive a pinion, and said pinion, and a crank disk connected therewith, and a connector from said crank disk to the angle lifter lever, and said cam lever also provided with two cam fingers pivoted thereon, said fingers adapted to be moved into and out of engagement with operating cams by an indicator lever, and said cams, and indicator lever, substantially as shown and described.

WILLIAM l/VATTIE.

Witnesses:

JOHN C. DEWEY, M. J. GALVIN. 

